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Rate-Topics can be used to DoS individual (public) topics #1048

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binwiederhier opened this issue Mar 7, 2024 · 1 comment
Closed

Rate-Topics can be used to DoS individual (public) topics #1048

binwiederhier opened this issue Mar 7, 2024 · 1 comment
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🪲 bug Something isn't working 🔒 security Security related ticket

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@binwiederhier
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The attack is this:

  • Subscribe to mytopic with the rate topics header including "mytopic"
  • Everyone who subscribes to that topic will count towards that one IPs 250 message limit
  • After 250 messages, done

I will remove the rate-topics header entirely as a result, and just enable visitor rate limiting for "up*" topics.
@binwiederhier binwiederhier added the 🪲 bug Something isn't working label Mar 7, 2024
@binwiederhier
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#1049

@binwiederhier binwiederhier added the 🔒 security Security related ticket label Mar 7, 2024
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@binwiederhier